public async Task DeleteProduct(long id)
{
var product = GetProduct(id);
if (product != null)
{
_dbContext.Remove <Product>(product);
await _dbContext.SaveChangesAsync();
}
}
public async Task AddUser(User newUser)
{
var user = GetUser(newUser.Login, newUser.Password);
if (user == null)
{
await _dbContext.Users.AddAsync(newUser);
await _dbContext.SaveChangesAsync();
}
}
public async Task AddColumn(Column column, long userId, long?productId)
{
column.ProductId = productId;
column.UserId = userId;
await _dbContext.AddAsync(column);
await _dbContext.SaveChangesAsync();
}
public async Task DeleteAdvertisement(long id)
{
var advertisement = GetAdvertisement(id);
if (advertisement != null)
{
_dbContext.Remove <Advertisement>(advertisement);
}
await _dbContext.SaveChangesAsync();
}
public async Task AddManufacturer(Manufacturer manufacturer)
{
await _dbContext.AddAsync(manufacturer);
await _dbContext.SaveChangesAsync();
}